Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 673
regularrunning. For locomotive use beforethe fifth form was introducedit was usual to replace theweight by a spring whichacted at the end of a lever tohold the valve down. Thisspring was arranged so thatthe tension upon it could bevaried by the engine-runner.It never became widely usedoutside of… … Fig. 495. BOILER ACCESSORIES AND APPLIANCES. 615 valve is that, as the valve proper lifts from pressure, the escap-ing steam, instead of passing out directly from under the valve,must find its way out, after undergoing a change of its direc-tion in an annular groove formed in the valve outside of…
Mechanical engineering · Steam power plants
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-411-180.webp)
